[Iaude] MPEC C03: 2010 XP69 [a=1.52,e=0.34,i=14.6,H=21.4,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Feb 2 09:45:35 EST 2018


M.P.E.C. 2018-C03                                Issued 2018 Feb. 2, 14:42 UT
 
     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
    on behalf of Division F of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

             Prepared using the Tamkin Foundation Computer Network

                              MPC at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2010 XP69
 
                           Revision to MPEC 2010-Y06
 
Additional Observations:
     K10X69P  C2017 01 31.59579213 47 15.360-18 24 36.72         25.11GUEC003T14
     K10X69P  C2017 01 31.60325613 47 15.680-18 24 37.17         25.17GUEC003T14
     K10X69P  C2017 01 31.61072413 47 15.993-18 24 37.59         25.31GUEC003T14
     K10X69P KC2017 03 23.50559713 36 37.054-12 41 07.54         24.00GUEC003T12
     K10X69P KC2017 04 01.53470013 24 56.639-10 12 43.49         23.82GUEC003T12
 
Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers Y. Ramanjooloo,
    Z. Claytor.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer D. Woodworth.
    Measurer D. J. Tholen.  3.6-m f/4.1 reflector + MegaCam.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
170131 T14 0.09- 0.00-    170401 T12 0.16- 0.02+    MPO409379   +0.34 day
 
Orbital elements:
2010 XP69                                           PHA, Earth MOID = 0.0136 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 329.40962              (2000.0)            P               Q
n   0.52438018     Peri.  197.28670     +0.80014120     -0.59365854
a   1.5230186      Node   199.88011     +0.57579796     +0.80024840
e   0.3429433      Incl.   14.59613     +0.16802015     +0.08468783
P   1.88           H   21.4           G   0.15           U   1
Residuals in seconds of arc
101208 C51  0.4-  0.3-    101210 C51  0.4+  0.2+    101215 I11  0.4+  0.0
101208 C51  0.0   0.4-    101210 C51  0.3-  0.1-    101215 I11  0.0   0.2+
101208 C51  0.1-  0.4-    101210 C51  0.1+  0.7+    101215 I11  0.0   0.1+
101209 C51  0.1+  0.3-    101210 C51  0.7+  0.2+    101215 I11  0.1-  0.1+
101209 C51  1.2-  0.3+    101210 C51  0.6+  0.4-    110109 474  0.4+  0.4+
101209 C51  0.3+  0.1+    101210 C51  0.3-  0.5+    110109 474  0.2-  0.3+
101209 C51  0.3-  0.5-    101210 C51  0.4-  1.0+    110109 474  0.6-  0.2+
101209 C51  0.2+  1.5+    101210 C51  0.4-  0.5-    110131 H21  0.7+  0.7-
101209 C51  0.1-  0.3-    101215 I11  0.2+  0.2+    110131 H21  0.4-  0.0
101209 C51  0.5+  0.4-    101215 I11  0.1-  0.2+    110403 T12  0.0   0.0
101209 C51  1.0-  0.8-    101215 I11  0.1+  0.2+    170131 T14  0.0   0.0
101209 C51  0.1+  0.6+    101215 I11  0.1+  0.1+    170131 T14  0.0   0.0
101209 C51  0.4+  0.5-    101215 I11  0.1+  0.1+    170131 T14  0.1-  0.0
101209 C51  0.0   1.3-    101215 I11  0.0   0.2+    170323 T12  0.1+  0.0
101209 C51  0.0   0.1+    101215 I11  0.2+  0.1+    170401 T12  0.1-  0.0
101210 C51  0.2+  0.3-    101215 I11  0.1+  0.2+

Ephemeris:
2010 XP69                a,e,i = 1.52, 0.34, 15                  q = 1.0007
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 03    18 57 42.8 -13 50 30   2.5013  1.5382     9.1     5.8    24.8
...
2018 01 18    19 41 28.5 -12 31 44   2.4288  1.4656     9.1     6.1    24.6
...
2018 01 26    20 05 37.1 -11 31 55   2.3863  1.4258     9.7     6.7    24.6
...
2018 02 01    20 24 05.1 -10 38 53   2.3534  1.3955    10.4     7.3    24.5
2018 02 02    20 27 11.6 -10 29 22   2.3478  1.3905    10.5     7.4    24.5
2018 02 03    20 30 18.6 -10 19 40   2.3423  1.3854    10.6     7.5    24.5
...
2018 02 09    20 49 12.0 -09 17 26   2.3087  1.3549    11.3     8.2    24.4
...
2018 02 17    21 14 54.0 -07 44 06   2.2638  1.3142    12.1     9.1    24.4
...
2018 03 04    22 04 43.6 -04 19 56   2.1820  1.2389    13.4    10.7    24.2

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-C03



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